If the Heavenly Revelation Sage Masters had decoded it correctly, the Ancient Demonic Creature was very likely not from your side of the universe... From one perspective, he was a creature of this universe, yet this universe was not the Dao Source Universe!
All along, not even ancient records from any era had ever mentioned any place beyond the Dao Source Universe. Thus, in common understanding, the powerhouses of All Heavens believed that the Dao Source Universe was the sole existence.
Yet once cultivators grew powerful, they would inevitably begin to wonder: could there be other spatial universes beyond the Dao Source Universe, like entirely different heavens and earths? Many thought so, and no few living beings had sought to prove it through action, but in the end, not a single one gained anything.
However, from the information on the Ancient Demonic Creature, the Heavenly Revelation Sage Masters had deciphered something entirely different. From the strange patterns on his body, it was highly likely that the universe-world you inhabited was not the only one, but one of four "worlds"!
The world you inhabited was called the "Dust World" by the Ancient Demonic Creature. In the Heavenly Revelation Sage Masters' understanding, it could be called the "Outer Universe," or the Manifest World.
Beyond the Dust World were three other universes: Youxuan, Chaotic Order, and Empty Sea. By the Heavenly Revelation Sage Masters' interpretation, they could respectively be called the Inner Universe (Hidden World), the Ruined Realm (Realm of Returning Ruins), and the True Realm (Domain of First Birth).
According to the Ancient Demonic Creature's knowledge, the four universes had originally been one universe. Yet after the Era of Emptiness that followed the chaotic "Eternal Antiquity" and "Desolate Antiquity" of heaven and earth, everything began to change, dividing into four "dimensions."
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